4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
31 #include "qemu/bitmap.h"
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
38 #include <sys/times.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
47 #include <arpa/inet.h>
50 #include <sys/select.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
68 #include "sysemu/seccomp.h"
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
97 #if defined(__APPLE__) || defined(main)
99 int qemu_main(int argc
, char **argv
, char **envp
);
100 int main(int argc
, char **argv
)
102 return qemu_main(argc
, argv
, NULL
);
105 #define main qemu_main
107 #endif /* CONFIG_SDL */
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
117 #include "hw/boards.h"
119 #include "hw/pcmcia.h"
120 #include "hw/i386/pc.h"
121 #include "hw/isa/isa.h"
123 #include "sysemu/watchdog.h"
124 #include "hw/i386/smbios.h"
125 #include "hw/xen/xen.h"
127 #include "hw/loader.h"
128 #include "monitor/qdev.h"
129 #include "sysemu/bt.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "sysemu/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block/block.h"
141 #include "migration/block.h"
142 #include "sysemu/tpm.h"
143 #include "sysemu/dma.h"
144 #include "audio/audio.h"
145 #include "migration/migration.h"
146 #include "sysemu/kvm.h"
147 #include "qapi/qmp/qjson.h"
148 #include "qemu/option.h"
149 #include "qemu/config-file.h"
150 #include "qemu-options.h"
151 #include "qmp-commands.h"
152 #include "qemu/main-loop.h"
154 #include "fsdev/qemu-fsdev.h"
156 #include "sysemu/qtest.h"
158 #include "disas/disas.h"
160 #include "qemu/sockets.h"
162 #include "slirp/libslirp.h"
165 #include "trace/control.h"
166 #include "qemu/queue.h"
167 #include "sysemu/cpus.h"
168 #include "sysemu/arch_init.h"
169 #include "qemu/osdep.h"
171 #include "ui/qemu-spice.h"
172 #include "qapi/string-input-visitor.h"
173 #include "qom/object_interfaces.h"
176 //#define DEBUG_SLIRP
178 #define DEFAULT_RAM_SIZE 128
180 #define MAX_VIRTIO_CONSOLES 1
181 #define MAX_SCLP_CONSOLES 1
183 static const char *data_dir
[16];
184 static int data_dir_idx
;
185 const char *bios_name
= NULL
;
186 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
187 DisplayType display_type
= DT_DEFAULT
;
188 static int display_remote
;
189 const char* keyboard_layout
= NULL
;
191 const char *mem_path
= NULL
;
192 int mem_prealloc
= 0; /* force preallocation of physical target memory */
194 NICInfo nd_table
[MAX_NICS
];
196 static int rtc_utc
= 1;
197 static int rtc_date_offset
= -1; /* -1 means no change */
198 QEMUClockType rtc_clock
;
199 int vga_interface_type
= VGA_NONE
;
200 static int full_screen
= 0;
201 static int no_frame
= 0;
203 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
204 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
205 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
206 CharDriverState
*sclp_hds
[MAX_SCLP_CONSOLES
];
207 int win2k_install_hack
= 0;
214 const char *vnc_display
;
216 int acpi_enabled
= 1;
219 static int no_reboot
;
222 int graphic_rotate
= 0;
223 const char *watchdog
;
224 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
226 int semihosting_enabled
= 0;
228 const char *qemu_name
;
231 unsigned int nb_prom_envs
= 0;
232 const char *prom_envs
[MAX_PROM_ENVS
];
234 static bool boot_strict
;
235 uint8_t *boot_splash_filedata
;
236 size_t boot_splash_filedata_size
;
237 uint8_t qemu_extra_params_fw
[2];
239 typedef struct FWBootEntry FWBootEntry
;
242 QTAILQ_ENTRY(FWBootEntry
) link
;
248 static QTAILQ_HEAD(, FWBootEntry
) fw_boot_order
=
249 QTAILQ_HEAD_INITIALIZER(fw_boot_order
);
252 uint64_t node_mem
[MAX_NODES
];
253 unsigned long *node_cpumask
[MAX_NODES
];
255 uint8_t qemu_uuid
[16];
258 static QEMUBootSetHandler
*boot_set_handler
;
259 static void *boot_set_opaque
;
261 static NotifierList exit_notifiers
=
262 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
264 static NotifierList machine_init_done_notifiers
=
265 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
267 static bool tcg_allowed
= true;
270 enum xen_mode xen_mode
= XEN_EMULATE
;
271 static int tcg_tb_size
;
273 static int default_serial
= 1;
274 static int default_parallel
= 1;
275 static int default_virtcon
= 1;
276 static int default_sclp
= 1;
277 static int default_monitor
= 1;
278 static int default_floppy
= 1;
279 static int default_cdrom
= 1;
280 static int default_sdcard
= 1;
281 static int default_vga
= 1;
287 { .driver
= "isa-serial", .flag
= &default_serial
},
288 { .driver
= "isa-parallel", .flag
= &default_parallel
},
289 { .driver
= "isa-fdc", .flag
= &default_floppy
},
290 { .driver
= "ide-cd", .flag
= &default_cdrom
},
291 { .driver
= "ide-hd", .flag
= &default_cdrom
},
292 { .driver
= "ide-drive", .flag
= &default_cdrom
},
293 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
294 { .driver
= "virtio-serial-pci", .flag
= &default_virtcon
},
295 { .driver
= "virtio-serial-s390", .flag
= &default_virtcon
},
296 { .driver
= "virtio-serial", .flag
= &default_virtcon
},
297 { .driver
= "VGA", .flag
= &default_vga
},
298 { .driver
= "isa-vga", .flag
= &default_vga
},
299 { .driver
= "cirrus-vga", .flag
= &default_vga
},
300 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
301 { .driver
= "vmware-svga", .flag
= &default_vga
},
302 { .driver
= "qxl-vga", .flag
= &default_vga
},
305 static QemuOptsList qemu_rtc_opts
= {
307 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
311 .type
= QEMU_OPT_STRING
,
314 .type
= QEMU_OPT_STRING
,
317 .type
= QEMU_OPT_STRING
,
319 { /* end of list */ }
323 static QemuOptsList qemu_sandbox_opts
= {
325 .implied_opt_name
= "enable",
326 .head
= QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts
.head
),
330 .type
= QEMU_OPT_BOOL
,
332 { /* end of list */ }
336 static QemuOptsList qemu_trace_opts
= {
338 .implied_opt_name
= "trace",
339 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
343 .type
= QEMU_OPT_STRING
,
346 .type
= QEMU_OPT_STRING
,
348 { /* end of list */ }
352 static QemuOptsList qemu_option_rom_opts
= {
353 .name
= "option-rom",
354 .implied_opt_name
= "romfile",
355 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
359 .type
= QEMU_OPT_NUMBER
,
362 .type
= QEMU_OPT_STRING
,
364 { /* end of list */ }
368 static QemuOptsList qemu_machine_opts
= {
370 .implied_opt_name
= "type",
372 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
376 .type
= QEMU_OPT_STRING
,
377 .help
= "emulated machine"
380 .type
= QEMU_OPT_STRING
,
381 .help
= "accelerator list",
383 .name
= "kernel_irqchip",
384 .type
= QEMU_OPT_BOOL
,
385 .help
= "use KVM in-kernel irqchip",
387 .name
= "kvm_shadow_mem",
388 .type
= QEMU_OPT_SIZE
,
389 .help
= "KVM shadow MMU size",
392 .type
= QEMU_OPT_STRING
,
393 .help
= "Linux kernel image file",
396 .type
= QEMU_OPT_STRING
,
397 .help
= "Linux initial ramdisk file",
400 .type
= QEMU_OPT_STRING
,
401 .help
= "Linux kernel command line",
404 .type
= QEMU_OPT_STRING
,
405 .help
= "Linux kernel device tree file",
408 .type
= QEMU_OPT_STRING
,
409 .help
= "Dump current dtb to a file and quit",
411 .name
= "phandle_start",
412 .type
= QEMU_OPT_NUMBER
,
413 .help
= "The first phandle ID we may generate dynamically",
415 .name
= "dt_compatible",
416 .type
= QEMU_OPT_STRING
,
417 .help
= "Overrides the \"compatible\" property of the dt root node",
419 .name
= "dump-guest-core",
420 .type
= QEMU_OPT_BOOL
,
421 .help
= "Include guest memory in a core dump",
424 .type
= QEMU_OPT_BOOL
,
425 .help
= "enable/disable memory merge support",
428 .type
= QEMU_OPT_BOOL
,
429 .help
= "Set on/off to enable/disable usb",
432 .type
= QEMU_OPT_STRING
,
433 .help
= "firmware image",
435 { /* End of list */ }
439 static QemuOptsList qemu_boot_opts
= {
441 .implied_opt_name
= "order",
443 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
447 .type
= QEMU_OPT_STRING
,
450 .type
= QEMU_OPT_STRING
,
453 .type
= QEMU_OPT_BOOL
,
456 .type
= QEMU_OPT_STRING
,
458 .name
= "splash-time",
459 .type
= QEMU_OPT_STRING
,
461 .name
= "reboot-timeout",
462 .type
= QEMU_OPT_STRING
,
465 .type
= QEMU_OPT_BOOL
,
471 static QemuOptsList qemu_add_fd_opts
= {
473 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
477 .type
= QEMU_OPT_NUMBER
,
478 .help
= "file descriptor of which a duplicate is added to fd set",
481 .type
= QEMU_OPT_NUMBER
,
482 .help
= "ID of the fd set to add fd to",
485 .type
= QEMU_OPT_STRING
,
486 .help
= "free-form string used to describe fd",
488 { /* end of list */ }
492 static QemuOptsList qemu_object_opts
= {
494 .implied_opt_name
= "qom-type",
495 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
501 static QemuOptsList qemu_tpmdev_opts
= {
503 .implied_opt_name
= "type",
504 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
506 /* options are defined in the TPM backends */
507 { /* end of list */ }
511 static QemuOptsList qemu_realtime_opts
= {
513 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
517 .type
= QEMU_OPT_BOOL
,
519 { /* end of list */ }
523 static QemuOptsList qemu_msg_opts
= {
525 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
529 .type
= QEMU_OPT_BOOL
,
531 { /* end of list */ }
536 * Get machine options
538 * Returns: machine options (never null).
540 QemuOpts
*qemu_get_machine_opts(void)
545 list
= qemu_find_opts("machine");
547 opts
= qemu_opts_find(list
, NULL
);
549 opts
= qemu_opts_create(list
, NULL
, 0, &error_abort
);
554 const char *qemu_get_vm_name(void)
559 static void res_free(void)
561 if (boot_splash_filedata
!= NULL
) {
562 g_free(boot_splash_filedata
);
563 boot_splash_filedata
= NULL
;
567 static int default_driver_check(QemuOpts
*opts
, void *opaque
)
569 const char *driver
= qemu_opt_get(opts
, "driver");
574 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
575 if (strcmp(default_list
[i
].driver
, driver
) != 0)
577 *(default_list
[i
].flag
) = 0;
582 /***********************************************************/
585 static RunState current_run_state
= RUN_STATE_PRELAUNCH
;
590 } RunStateTransition
;
592 static const RunStateTransition runstate_transitions_def
[] = {
594 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
595 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
597 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
598 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
600 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
601 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
603 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
604 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
606 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
607 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
609 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
610 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
612 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
613 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
614 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
616 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
617 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
619 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
621 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
622 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
623 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
624 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
625 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
626 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
627 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
628 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
629 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
630 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
632 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
634 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
635 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
637 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
638 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
639 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
640 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
642 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
643 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
645 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
646 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
648 { RUN_STATE_MAX
, RUN_STATE_MAX
},
651 static bool runstate_valid_transitions
[RUN_STATE_MAX
][RUN_STATE_MAX
];
653 bool runstate_check(RunState state
)
655 return current_run_state
== state
;
658 static void runstate_init(void)
660 const RunStateTransition
*p
;
662 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
664 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE_MAX
; p
++) {
665 runstate_valid_transitions
[p
->from
][p
->to
] = true;
669 /* This function will abort() on invalid state transitions */
670 void runstate_set(RunState new_state
)
672 assert(new_state
< RUN_STATE_MAX
);
674 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
675 fprintf(stderr
, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
676 RunState_lookup
[current_run_state
],
677 RunState_lookup
[new_state
]);
680 trace_runstate_set(new_state
);
681 current_run_state
= new_state
;
684 int runstate_is_running(void)
686 return runstate_check(RUN_STATE_RUNNING
);
689 bool runstate_needs_reset(void)
691 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
692 runstate_check(RUN_STATE_SHUTDOWN
);
695 StatusInfo
*qmp_query_status(Error
**errp
)
697 StatusInfo
*info
= g_malloc0(sizeof(*info
));
699 info
->running
= runstate_is_running();
700 info
->singlestep
= singlestep
;
701 info
->status
= current_run_state
;
706 /***********************************************************/
707 /* real time host monotonic timer */
709 /***********************************************************/
710 /* host time/date access */
711 void qemu_get_timedate(struct tm
*tm
, int offset
)
717 if (rtc_date_offset
== -1) {
721 localtime_r(&ti
, tm
);
723 ti
-= rtc_date_offset
;
728 int qemu_timedate_diff(struct tm
*tm
)
732 if (rtc_date_offset
== -1)
734 seconds
= mktimegm(tm
);
737 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
738 seconds
= mktime(&tmp
);
741 seconds
= mktimegm(tm
) + rtc_date_offset
;
743 return seconds
- time(NULL
);
746 void rtc_change_mon_event(struct tm
*tm
)
750 data
= qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm
));
751 monitor_protocol_event(QEVENT_RTC_CHANGE
, data
);
752 qobject_decref(data
);
755 static void configure_rtc_date_offset(const char *startdate
, int legacy
)
757 time_t rtc_start_date
;
760 if (!strcmp(startdate
, "now") && legacy
) {
761 rtc_date_offset
= -1;
763 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d",
771 } else if (sscanf(startdate
, "%d-%d-%d",
783 rtc_start_date
= mktimegm(&tm
);
784 if (rtc_start_date
== -1) {
786 fprintf(stderr
, "Invalid date format. Valid formats are:\n"
787 "'2006-06-17T16:01:21' or '2006-06-17'\n");
790 rtc_date_offset
= time(NULL
) - rtc_start_date
;
794 static void configure_rtc(QemuOpts
*opts
)
798 value
= qemu_opt_get(opts
, "base");
800 if (!strcmp(value
, "utc")) {
802 } else if (!strcmp(value
, "localtime")) {
805 configure_rtc_date_offset(value
, 0);
808 value
= qemu_opt_get(opts
, "clock");
810 if (!strcmp(value
, "host")) {
811 rtc_clock
= QEMU_CLOCK_HOST
;
812 } else if (!strcmp(value
, "rt")) {
813 rtc_clock
= QEMU_CLOCK_REALTIME
;
814 } else if (!strcmp(value
, "vm")) {
815 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
817 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
821 value
= qemu_opt_get(opts
, "driftfix");
823 if (!strcmp(value
, "slew")) {
824 static GlobalProperty slew_lost_ticks
[] = {
826 .driver
= "mc146818rtc",
827 .property
= "lost_tick_policy",
830 { /* end of list */ }
833 qdev_prop_register_global_list(slew_lost_ticks
);
834 } else if (!strcmp(value
, "none")) {
835 /* discard is default */
837 fprintf(stderr
, "qemu: invalid option value '%s'\n", value
);
843 /***********************************************************/
844 /* Bluetooth support */
847 static struct HCIInfo
*hci_table
[MAX_NICS
];
849 struct HCIInfo
*qemu_next_hci(void)
851 if (cur_hci
== nb_hcis
)
854 return hci_table
[cur_hci
++];
857 static int bt_hci_parse(const char *str
)
862 if (nb_hcis
>= MAX_NICS
) {
863 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
876 bdaddr
.b
[5] = 0x56 + nb_hcis
;
877 hci
->bdaddr_set(hci
, bdaddr
.b
);
879 hci_table
[nb_hcis
++] = hci
;
884 static void bt_vhci_add(int vlan_id
)
886 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
889 fprintf(stderr
, "qemu: warning: adding a VHCI to "
890 "an empty scatternet %i\n", vlan_id
);
892 bt_vhci_init(bt_new_hci(vlan
));
895 static struct bt_device_s
*bt_device_add(const char *opt
)
897 struct bt_scatternet_s
*vlan
;
899 char *endp
= strstr(opt
, ",vlan=");
900 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
903 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
906 vlan_id
= strtol(endp
+ 6, &endp
, 0);
908 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
913 vlan
= qemu_find_bt_vlan(vlan_id
);
916 fprintf(stderr
, "qemu: warning: adding a slave device to "
917 "an empty scatternet %i\n", vlan_id
);
919 if (!strcmp(devname
, "keyboard"))
920 return bt_keyboard_init(vlan
);
922 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
926 static int bt_parse(const char *opt
)
928 const char *endp
, *p
;
931 if (strstart(opt
, "hci", &endp
)) {
932 if (!*endp
|| *endp
== ',') {
934 if (!strstart(endp
, ",vlan=", 0))
937 return bt_hci_parse(opt
);
939 } else if (strstart(opt
, "vhci", &endp
)) {
940 if (!*endp
|| *endp
== ',') {
942 if (strstart(endp
, ",vlan=", &p
)) {
943 vlan
= strtol(p
, (char **) &endp
, 0);
945 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
949 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
958 } else if (strstart(opt
, "device:", &endp
))
959 return !bt_device_add(endp
);
961 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
965 static int parse_sandbox(QemuOpts
*opts
, void *opaque
)
967 /* FIXME: change this to true for 1.3 */
968 if (qemu_opt_get_bool(opts
, "enable", false)) {
969 #ifdef CONFIG_SECCOMP
970 if (seccomp_start() < 0) {
971 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
972 "failed to install seccomp syscall filter in the kernel");
976 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
977 "sandboxing request but seccomp is not compiled into this build");
985 bool usb_enabled(bool default_usb
)
987 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb
);
991 static int parse_add_fd(QemuOpts
*opts
, void *opaque
)
993 int fd
, dupfd
, flags
;
995 const char *fd_opaque
= NULL
;
997 fd
= qemu_opt_get_number(opts
, "fd", -1);
998 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
999 fd_opaque
= qemu_opt_get(opts
, "opaque");
1002 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1003 "fd option is required and must be non-negative");
1007 if (fd
<= STDERR_FILENO
) {
1008 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1009 "fd cannot be a standard I/O stream");
1014 * All fds inherited across exec() necessarily have FD_CLOEXEC
1015 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1017 flags
= fcntl(fd
, F_GETFD
);
1018 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1019 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1020 "fd is not valid or already in use");
1025 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1026 "set option is required and must be non-negative");
1030 #ifdef F_DUPFD_CLOEXEC
1031 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1035 qemu_set_cloexec(dupfd
);
1039 qerror_report(ERROR_CLASS_GENERIC_ERROR
,
1040 "Error duplicating fd: %s", strerror(errno
));
1044 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1045 monitor_fdset_add_fd(dupfd
, true, fdset_id
, fd_opaque
? true : false,
1051 static int cleanup_add_fd(QemuOpts
*opts
, void *opaque
)
1055 fd
= qemu_opt_get_number(opts
, "fd", -1);
1062 /***********************************************************/
1063 /* QEMU Block devices */
1065 #define HD_OPTS "media=disk"
1066 #define CDROM_OPTS "media=cdrom"
1068 #define PFLASH_OPTS ""
1072 static int drive_init_func(QemuOpts
*opts
, void *opaque
)
1074 BlockInterfaceType
*block_default_type
= opaque
;
1076 return drive_init(opts
, *block_default_type
) == NULL
;
1079 static int drive_enable_snapshot(QemuOpts
*opts
, void *opaque
)
1081 if (NULL
== qemu_opt_get(opts
, "snapshot")) {
1082 qemu_opt_set(opts
, "snapshot", "on");
1087 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1088 int index
, const char *optstr
)
1092 if (!enable
|| drive_get_by_index(type
, index
)) {
1096 opts
= drive_add(type
, index
, NULL
, optstr
);
1098 drive_enable_snapshot(opts
, NULL
);
1100 if (!drive_init(opts
, type
)) {
1105 void qemu_register_boot_set(QEMUBootSetHandler
*func
, void *opaque
)
1107 boot_set_handler
= func
;
1108 boot_set_opaque
= opaque
;
1111 int qemu_boot_set(const char *boot_order
)
1113 if (!boot_set_handler
) {
1116 return boot_set_handler(boot_set_opaque
, boot_order
);
1119 static void validate_bootdevices(const char *devices
)
1121 /* We just do some generic consistency checks */
1125 for (p
= devices
; *p
!= '\0'; p
++) {
1126 /* Allowed boot devices are:
1127 * a-b: floppy disk drives
1128 * c-f: IDE disk drives
1129 * g-m: machine implementation dependent drives
1130 * n-p: network devices
1131 * It's up to each machine implementation to check if the given boot
1132 * devices match the actual hardware implementation and firmware
1135 if (*p
< 'a' || *p
> 'p') {
1136 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
1139 if (bitmap
& (1 << (*p
- 'a'))) {
1140 fprintf(stderr
, "Boot device '%c' was given twice\n", *p
);
1143 bitmap
|= 1 << (*p
- 'a');
1147 static void restore_boot_order(void *opaque
)
1149 char *normal_boot_order
= opaque
;
1150 static int first
= 1;
1152 /* Restore boot order and remove ourselves after the first boot */
1158 qemu_boot_set(normal_boot_order
);
1160 qemu_unregister_reset(restore_boot_order
, normal_boot_order
);
1161 g_free(normal_boot_order
);
1164 void add_boot_device_path(int32_t bootindex
, DeviceState
*dev
,
1167 FWBootEntry
*node
, *i
;
1169 if (bootindex
< 0) {
1173 assert(dev
!= NULL
|| suffix
!= NULL
);
1175 node
= g_malloc0(sizeof(FWBootEntry
));
1176 node
->bootindex
= bootindex
;
1177 node
->suffix
= g_strdup(suffix
);
1180 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1181 if (i
->bootindex
== bootindex
) {
1182 fprintf(stderr
, "Two devices with same boot index %d\n", bootindex
);
1184 } else if (i
->bootindex
< bootindex
) {
1187 QTAILQ_INSERT_BEFORE(i
, node
, link
);
1190 QTAILQ_INSERT_TAIL(&fw_boot_order
, node
, link
);
1193 DeviceState
*get_boot_device(uint32_t position
)
1195 uint32_t counter
= 0;
1196 FWBootEntry
*i
= NULL
;
1197 DeviceState
*res
= NULL
;
1199 if (!QTAILQ_EMPTY(&fw_boot_order
)) {
1200 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1201 if (counter
== position
) {
1212 * This function returns null terminated string that consist of new line
1213 * separated device paths.
1215 * memory pointed by "size" is assigned total length of the array in bytes
1218 char *get_boot_devices_list(size_t *size
)
1224 QTAILQ_FOREACH(i
, &fw_boot_order
, link
) {
1225 char *devpath
= NULL
, *bootpath
;
1229 devpath
= qdev_get_fw_dev_path(i
->dev
);
1233 if (i
->suffix
&& devpath
) {
1234 size_t bootpathlen
= strlen(devpath
) + strlen(i
->suffix
) + 1;
1236 bootpath
= g_malloc(bootpathlen
);
1237 snprintf(bootpath
, bootpathlen
, "%s%s", devpath
, i
->suffix
);
1239 } else if (devpath
) {
1243 bootpath
= g_strdup(i
->suffix
);
1247 list
[total
-1] = '\n';
1249 len
= strlen(bootpath
) + 1;
1250 list
= g_realloc(list
, total
+ len
);
1251 memcpy(&list
[total
], bootpath
, len
);
1258 if (boot_strict
&& *size
> 0) {
1259 list
[total
-1] = '\n';
1260 list
= g_realloc(list
, total
+ 5);
1261 memcpy(&list
[total
], "HALT", 5);
1267 static void numa_node_parse_cpus(int nodenr
, const char *cpus
)
1270 unsigned long long value
, endvalue
;
1272 /* Empty CPU range strings will be considered valid, they will simply
1273 * not set any bit in the CPU bitmap.
1279 if (parse_uint(cpus
, &value
, &endptr
, 10) < 0) {
1282 if (*endptr
== '-') {
1283 if (parse_uint_full(endptr
+ 1, &endvalue
, 10) < 0) {
1286 } else if (*endptr
== '\0') {
1292 if (endvalue
>= MAX_CPUMASK_BITS
) {
1293 endvalue
= MAX_CPUMASK_BITS
- 1;
1295 "qemu: NUMA: A max of %d VCPUs are supported\n",
1299 if (endvalue
< value
) {
1303 bitmap_set(node_cpumask
[nodenr
], value
, endvalue
-value
+1);
1307 fprintf(stderr
, "qemu: Invalid NUMA CPU range: %s\n", cpus
);
1311 static void numa_add(const char *optarg
)
1315 unsigned long long nodenr
;
1317 optarg
= get_opt_name(option
, 128, optarg
, ',');
1318 if (*optarg
== ',') {
1321 if (!strcmp(option
, "node")) {
1323 if (nb_numa_nodes
>= MAX_NODES
) {
1324 fprintf(stderr
, "qemu: too many NUMA nodes\n");
1328 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
1329 nodenr
= nb_numa_nodes
;
1331 if (parse_uint_full(option
, &nodenr
, 10) < 0) {
1332 fprintf(stderr
, "qemu: Invalid NUMA nodeid: %s\n", option
);
1337 if (nodenr
>= MAX_NODES
) {
1338 fprintf(stderr
, "qemu: invalid NUMA nodeid: %llu\n", nodenr
);
1342 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
1343 node_mem
[nodenr
] = 0;
1346 sval
= strtosz(option
, &endptr
);
1347 if (sval
< 0 || *endptr
) {
1348 fprintf(stderr
, "qemu: invalid numa mem size: %s\n", optarg
);
1351 node_mem
[nodenr
] = sval
;
1353 if (get_param_value(option
, 128, "cpus", optarg
) != 0) {
1354 numa_node_parse_cpus(nodenr
, option
);
1358 fprintf(stderr
, "Invalid -numa option: %s\n", option
);
1363 static QemuOptsList qemu_smp_opts
= {
1365 .implied_opt_name
= "cpus",
1366 .merge_lists
= true,
1367 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1371 .type
= QEMU_OPT_NUMBER
,
1374 .type
= QEMU_OPT_NUMBER
,
1377 .type
= QEMU_OPT_NUMBER
,
1380 .type
= QEMU_OPT_NUMBER
,
1383 .type
= QEMU_OPT_NUMBER
,
1385 { /*End of list */ }
1389 static void smp_parse(QemuOpts
*opts
)
1393 unsigned cpus
= qemu_opt_get_number(opts
, "cpus", 0);
1394 unsigned sockets
= qemu_opt_get_number(opts
, "sockets", 0);
1395 unsigned cores
= qemu_opt_get_number(opts
, "cores", 0);
1396 unsigned threads
= qemu_opt_get_number(opts
, "threads", 0);
1398 /* compute missing values, prefer sockets over cores over threads */
1399 if (cpus
== 0 || sockets
== 0) {
1400 sockets
= sockets
> 0 ? sockets
: 1;
1401 cores
= cores
> 0 ? cores
: 1;
1402 threads
= threads
> 0 ? threads
: 1;
1404 cpus
= cores
* threads
* sockets
;
1408 threads
= threads
> 0 ? threads
: 1;
1409 cores
= cpus
/ (sockets
* threads
);
1411 threads
= cpus
/ (cores
* sockets
);
1415 max_cpus
= qemu_opt_get_number(opts
, "maxcpus", 0);
1418 smp_cores
= cores
> 0 ? cores
: 1;
1419 smp_threads
= threads
> 0 ? threads
: 1;
1423 if (max_cpus
== 0) {
1424 max_cpus
= smp_cpus
;
1427 if (max_cpus
> 255) {
1428 fprintf(stderr
, "Unsupported number of maxcpus\n");
1431 if (max_cpus
< smp_cpus
) {
1432 fprintf(stderr
, "maxcpus must be equal to or greater than smp\n");
1438 static void configure_realtime(QemuOpts
*opts
)
1442 enable_mlock
= qemu_opt_get_bool(opts
, "mlock", true);
1445 if (os_mlock() < 0) {
1446 fprintf(stderr
, "qemu: locking memory failed\n");
1453 static void configure_msg(QemuOpts
*opts
)
1455 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1458 /***********************************************************/
1461 static int usb_device_add(const char *devname
)
1463 USBDevice
*dev
= NULL
;
1464 #ifndef CONFIG_LINUX
1468 if (!usb_enabled(false)) {
1472 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1473 dev
= usbdevice_create(devname
);
1477 /* the other ones */
1478 #ifndef CONFIG_LINUX
1479 /* only the linux version is qdev-ified, usb-bsd still needs this */
1480 if (strstart(devname
, "host:", &p
)) {
1481 dev
= usb_host_device_open(usb_bus_find(-1), p
);
1491 static int usb_device_del(const char *devname
)
1496 if (strstart(devname
, "host:", &p
)) {
1500 if (!usb_enabled(false)) {
1504 p
= strchr(devname
, '.');
1507 bus_num
= strtoul(devname
, NULL
, 0);
1508 addr
= strtoul(p
+ 1, NULL
, 0);
1510 return usb_device_delete_addr(bus_num
, addr
);
1513 static int usb_parse(const char *cmdline
)
1516 r
= usb_device_add(cmdline
);
1518 fprintf(stderr
, "qemu: could not add USB device '%s'\n", cmdline
);
1523 void do_usb_add(Monitor
*mon
, const QDict
*qdict
)
1525 const char *devname
= qdict_get_str(qdict
, "devname");
1526 if (usb_device_add(devname
) < 0) {
1527 error_report("could not add USB device '%s'", devname
);
1531 void do_usb_del(Monitor
*mon
, const QDict
*qdict
)
1533 const char *devname
= qdict_get_str(qdict
, "devname");
1534 if (usb_device_del(devname
) < 0) {
1535 error_report("could not delete USB device '%s'", devname
);
1539 /***********************************************************/
1540 /* PCMCIA/Cardbus */
1542 static struct pcmcia_socket_entry_s
{
1543 PCMCIASocket
*socket
;
1544 struct pcmcia_socket_entry_s
*next
;
1545 } *pcmcia_sockets
= 0;
1547 void pcmcia_socket_register(PCMCIASocket
*socket
)
1549 struct pcmcia_socket_entry_s
*entry
;
1551 entry
= g_malloc(sizeof(struct pcmcia_socket_entry_s
));
1552 entry
->socket
= socket
;
1553 entry
->next
= pcmcia_sockets
;
1554 pcmcia_sockets
= entry
;
1557 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
1559 struct pcmcia_socket_entry_s
*entry
, **ptr
;
1561 ptr
= &pcmcia_sockets
;
1562 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
1563 if (entry
->socket
== socket
) {
1569 void pcmcia_info(Monitor
*mon
, const QDict
*qdict
)
1571 struct pcmcia_socket_entry_s
*iter
;
1573 if (!pcmcia_sockets
)
1574 monitor_printf(mon
, "No PCMCIA sockets\n");
1576 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
1577 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
1578 iter
->socket
->attached
? iter
->socket
->card_string
:
1582 /***********************************************************/
1583 /* machine registration */
1585 static QEMUMachine
*first_machine
= NULL
;
1586 QEMUMachine
*current_machine
= NULL
;
1588 int qemu_register_machine(QEMUMachine
*m
)
1591 pm
= &first_machine
;
1599 static QEMUMachine
*find_machine(const char *name
)
1603 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1604 if (!strcmp(m
->name
, name
))
1606 if (m
->alias
&& !strcmp(m
->alias
, name
))
1612 QEMUMachine
*find_default_machine(void)
1616 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
1617 if (m
->is_default
) {
1624 MachineInfoList
*qmp_query_machines(Error
**errp
)
1626 MachineInfoList
*mach_list
= NULL
;
1629 for (m
= first_machine
; m
; m
= m
->next
) {
1630 MachineInfoList
*entry
;
1633 info
= g_malloc0(sizeof(*info
));
1634 if (m
->is_default
) {
1635 info
->has_is_default
= true;
1636 info
->is_default
= true;
1640 info
->has_alias
= true;
1641 info
->alias
= g_strdup(m
->alias
);
1644 info
->name
= g_strdup(m
->name
);
1645 info
->cpu_max
= !m
->max_cpus
? 1 : m
->max_cpus
;
1647 entry
= g_malloc0(sizeof(*entry
));
1648 entry
->value
= info
;
1649 entry
->next
= mach_list
;
1656 /***********************************************************/
1657 /* main execution loop */
1659 struct vm_change_state_entry
{
1660 VMChangeStateHandler
*cb
;
1662 QLIST_ENTRY (vm_change_state_entry
) entries
;
1665 static QLIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
1667 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1670 VMChangeStateEntry
*e
;
1672 e
= g_malloc0(sizeof (*e
));
1676 QLIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
1680 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1682 QLIST_REMOVE (e
, entries
);
1686 void vm_state_notify(int running
, RunState state
)
1688 VMChangeStateEntry
*e
;
1690 trace_vm_state_notify(running
, state
);
1692 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
1693 e
->cb(e
->opaque
, running
, state
);
1699 if (!runstate_is_running()) {
1701 runstate_set(RUN_STATE_RUNNING
);
1702 vm_state_notify(1, RUN_STATE_RUNNING
);
1704 monitor_protocol_event(QEVENT_RESUME
, NULL
);
1708 /* reset/shutdown handler */
1710 typedef struct QEMUResetEntry
{
1711 QTAILQ_ENTRY(QEMUResetEntry
) entry
;
1712 QEMUResetHandler
*func
;
1716 static QTAILQ_HEAD(reset_handlers
, QEMUResetEntry
) reset_handlers
=
1717 QTAILQ_HEAD_INITIALIZER(reset_handlers
);
1718 static int reset_requested
;
1719 static int shutdown_requested
, shutdown_signal
= -1;
1720 static pid_t shutdown_pid
;
1721 static int powerdown_requested
;
1722 static int debug_requested
;
1723 static int suspend_requested
;
1724 static WakeupReason wakeup_reason
;
1725 static NotifierList powerdown_notifiers
=
1726 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1727 static NotifierList suspend_notifiers
=
1728 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1729 static NotifierList wakeup_notifiers
=
1730 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1731 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1732 static RunState vmstop_requested
= RUN_STATE_MAX
;
1734 int qemu_shutdown_requested_get(void)
1736 return shutdown_requested
;
1739 int qemu_reset_requested_get(void)
1741 return reset_requested
;
1744 static int qemu_shutdown_requested(void)
1746 int r
= shutdown_requested
;
1747 shutdown_requested
= 0;
1751 static void qemu_kill_report(void)
1753 if (!qtest_enabled() && shutdown_signal
!= -1) {
1754 fprintf(stderr
, "qemu: terminating on signal %d", shutdown_signal
);
1755 if (shutdown_pid
== 0) {
1756 /* This happens for eg ^C at the terminal, so it's worth
1757 * avoiding printing an odd message in that case.
1759 fputc('\n', stderr
);
1761 fprintf(stderr
, " from pid " FMT_pid
"\n", shutdown_pid
);
1763 shutdown_signal
= -1;
1767 static int qemu_reset_requested(void)
1769 int r
= reset_requested
;
1770 reset_requested
= 0;
1774 static int qemu_suspend_requested(void)
1776 int r
= suspend_requested
;
1777 suspend_requested
= 0;
1781 static WakeupReason
qemu_wakeup_requested(void)
1783 return wakeup_reason
;
1786 static int qemu_powerdown_requested(void)
1788 int r
= powerdown_requested
;
1789 powerdown_requested
= 0;
1793 static int qemu_debug_requested(void)
1795 int r
= debug_requested
;
1796 debug_requested
= 0;
1800 /* We use RUN_STATE_MAX but any invalid value will do */
1801 static bool qemu_vmstop_requested(RunState
*r
)
1803 if (vmstop_requested
< RUN_STATE_MAX
) {
1804 *r
= vmstop_requested
;
1805 vmstop_requested
= RUN_STATE_MAX
;
1812 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1814 QEMUResetEntry
*re
= g_malloc0(sizeof(QEMUResetEntry
));
1817 re
->opaque
= opaque
;
1818 QTAILQ_INSERT_TAIL(&reset_handlers
, re
, entry
);
1821 void qemu_unregister_reset(QEMUResetHandler
*func
, void *opaque
)
1825 QTAILQ_FOREACH(re
, &reset_handlers
, entry
) {
1826 if (re
->func
== func
&& re
->opaque
== opaque
) {
1827 QTAILQ_REMOVE(&reset_handlers
, re
, entry
);
1834 void qemu_devices_reset(void)
1836 QEMUResetEntry
*re
, *nre
;
1838 /* reset all devices */
1839 QTAILQ_FOREACH_SAFE(re
, &reset_handlers
, entry
, nre
) {
1840 re
->func(re
->opaque
);
1844 void qemu_system_reset(bool report
)
1846 if (current_machine
&& current_machine
->reset
) {
1847 current_machine
->reset();
1849 qemu_devices_reset();
1852 monitor_protocol_event(QEVENT_RESET
, NULL
);
1854 cpu_synchronize_all_post_reset();
1857 void qemu_system_reset_request(void)
1860 shutdown_requested
= 1;
1862 reset_requested
= 1;
1865 qemu_notify_event();
1868 static void qemu_system_suspend(void)
1871 notifier_list_notify(&suspend_notifiers
, NULL
);
1872 runstate_set(RUN_STATE_SUSPENDED
);
1873 monitor_protocol_event(QEVENT_SUSPEND
, NULL
);
1876 void qemu_system_suspend_request(void)
1878 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1881 suspend_requested
= 1;
1883 qemu_notify_event();
1886 void qemu_register_suspend_notifier(Notifier
*notifier
)
1888 notifier_list_add(&suspend_notifiers
, notifier
);
1891 void qemu_system_wakeup_request(WakeupReason reason
)
1893 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1896 if (!(wakeup_reason_mask
& (1 << reason
))) {
1899 runstate_set(RUN_STATE_RUNNING
);
1900 wakeup_reason
= reason
;
1901 qemu_notify_event();
1904 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1907 wakeup_reason_mask
|= (1 << reason
);
1909 wakeup_reason_mask
&= ~(1 << reason
);
1913 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1915 notifier_list_add(&wakeup_notifiers
, notifier
);
1918 void qemu_system_killed(int signal
, pid_t pid
)
1920 shutdown_signal
= signal
;
1923 qemu_system_shutdown_request();
1926 void qemu_system_shutdown_request(void)
1928 shutdown_requested
= 1;
1929 qemu_notify_event();
1932 static void qemu_system_powerdown(void)
1934 monitor_protocol_event(QEVENT_POWERDOWN
, NULL
);
1935 notifier_list_notify(&powerdown_notifiers
, NULL
);
1938 void qemu_system_powerdown_request(void)
1940 powerdown_requested
= 1;
1941 qemu_notify_event();
1944 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1946 notifier_list_add(&powerdown_notifiers
, notifier
);
1949 void qemu_system_debug_request(void)
1951 debug_requested
= 1;
1952 qemu_notify_event();
1955 void qemu_system_vmstop_request(RunState state
)
1957 vmstop_requested
= state
;
1958 qemu_notify_event();
1961 static bool main_loop_should_exit(void)
1964 if (qemu_debug_requested()) {
1965 vm_stop(RUN_STATE_DEBUG
);
1967 if (qemu_suspend_requested()) {
1968 qemu_system_suspend();
1970 if (qemu_shutdown_requested()) {
1972 monitor_protocol_event(QEVENT_SHUTDOWN
, NULL
);
1974 vm_stop(RUN_STATE_SHUTDOWN
);
1979 if (qemu_reset_requested()) {
1981 cpu_synchronize_all_states();
1982 qemu_system_reset(VMRESET_REPORT
);
1984 if (runstate_needs_reset()) {
1985 runstate_set(RUN_STATE_PAUSED
);
1988 if (qemu_wakeup_requested()) {
1990 cpu_synchronize_all_states();
1991 qemu_system_reset(VMRESET_SILENT
);
1992 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1993 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1995 monitor_protocol_event(QEVENT_WAKEUP
, NULL
);
1997 if (qemu_powerdown_requested()) {
1998 qemu_system_powerdown();
2000 if (qemu_vmstop_requested(&r
)) {
2006 static void main_loop(void)
2010 #ifdef CONFIG_PROFILER
2014 nonblocking
= !kvm_enabled() && !xen_enabled() && last_io
> 0;
2015 #ifdef CONFIG_PROFILER
2016 ti
= profile_getclock();
2018 last_io
= main_loop_wait(nonblocking
);
2019 #ifdef CONFIG_PROFILER
2020 dev_time
+= profile_getclock() - ti
;
2022 } while (!main_loop_should_exit());
2025 static void version(void)
2027 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
2030 static void help(int exitcode
)
2033 printf("usage: %s [options] [disk_image]\n\n"
2034 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2035 error_get_progname());
2037 #define QEMU_OPTIONS_GENERATE_HELP
2038 #include "qemu-options-wrapper.h"
2040 printf("\nDuring emulation, the following keys are useful:\n"
2041 "ctrl-alt-f toggle full screen\n"
2042 "ctrl-alt-n switch to virtual console 'n'\n"
2043 "ctrl-alt toggle mouse and keyboard grab\n"
2045 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2050 #define HAS_ARG 0x0001
2052 typedef struct QEMUOption
{
2059 static const QEMUOption qemu_options
[] = {
2060 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
2061 #define QEMU_OPTIONS_GENERATE_OPTIONS
2062 #include "qemu-options-wrapper.h"
2066 static bool vga_available(void)
2068 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2071 static bool cirrus_vga_available(void)
2073 return object_class_by_name("cirrus-vga")
2074 || object_class_by_name("isa-cirrus-vga");
2077 static bool vmware_vga_available(void)
2079 return object_class_by_name("vmware-svga");
2082 static bool qxl_vga_available(void)
2084 return object_class_by_name("qxl-vga");
2087 static void select_vgahw (const char *p
)
2091 vga_interface_type
= VGA_NONE
;
2092 if (strstart(p
, "std", &opts
)) {
2093 if (vga_available()) {
2094 vga_interface_type
= VGA_STD
;
2096 fprintf(stderr
, "Error: standard VGA not available\n");
2099 } else if (strstart(p
, "cirrus", &opts
)) {
2100 if (cirrus_vga_available()) {
2101 vga_interface_type
= VGA_CIRRUS
;
2103 fprintf(stderr
, "Error: Cirrus VGA not available\n");
2106 } else if (strstart(p
, "vmware", &opts
)) {
2107 if (vmware_vga_available()) {
2108 vga_interface_type
= VGA_VMWARE
;
2110 fprintf(stderr
, "Error: VMWare SVGA not available\n");
2113 } else if (strstart(p
, "xenfb", &opts
)) {
2114 vga_interface_type
= VGA_XENFB
;
2115 } else if (strstart(p
, "qxl", &opts
)) {
2116 if (qxl_vga_available()) {
2117 vga_interface_type
= VGA_QXL
;
2119 fprintf(stderr
, "Error: QXL VGA not available\n");
2122 } else if (!strstart(p
, "none", &opts
)) {
2124 fprintf(stderr
, "Unknown vga type: %s\n", p
);
2128 const char *nextopt
;
2130 if (strstart(opts
, ",retrace=", &nextopt
)) {
2132 if (strstart(opts
, "dumb", &nextopt
))
2133 vga_retrace_method
= VGA_RETRACE_DUMB
;
2134 else if (strstart(opts
, "precise", &nextopt
))
2135 vga_retrace_method
= VGA_RETRACE_PRECISE
;
2136 else goto invalid_vga
;
2137 } else goto invalid_vga
;
2142 static DisplayType
select_display(const char *p
)
2145 DisplayType display
= DT_DEFAULT
;
2147 if (strstart(p
, "sdl", &opts
)) {
2151 const char *nextopt
;
2153 if (strstart(opts
, ",frame=", &nextopt
)) {
2155 if (strstart(opts
, "on", &nextopt
)) {
2157 } else if (strstart(opts
, "off", &nextopt
)) {
2160 goto invalid_sdl_args
;
2162 } else if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2164 if (strstart(opts
, "on", &nextopt
)) {
2166 } else if (strstart(opts
, "off", &nextopt
)) {
2169 goto invalid_sdl_args
;
2171 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2173 if (strstart(opts
, "on", &nextopt
)) {
2175 } else if (strstart(opts
, "off", &nextopt
)) {
2178 goto invalid_sdl_args
;
2180 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2182 if (strstart(opts
, "on", &nextopt
)) {
2184 } else if (strstart(opts
, "off", &nextopt
)) {
2187 goto invalid_sdl_args
;
2191 fprintf(stderr
, "Invalid SDL option string: %s\n", p
);
2197 fprintf(stderr
, "SDL support is disabled\n");
2200 } else if (strstart(p
, "vnc", &opts
)) {
2205 const char *nextopt
;
2207 if (strstart(opts
, "=", &nextopt
)) {
2208 vnc_display
= nextopt
;
2212 fprintf(stderr
, "VNC requires a display argument vnc=<display>\n");
2216 fprintf(stderr
, "VNC support is disabled\n");
2219 } else if (strstart(p
, "curses", &opts
)) {
2220 #ifdef CONFIG_CURSES
2221 display
= DT_CURSES
;
2223 fprintf(stderr
, "Curses support is disabled\n");
2226 } else if (strstart(p
, "gtk", &opts
)) {
2230 fprintf(stderr
, "GTK support is disabled\n");
2233 } else if (strstart(p
, "none", &opts
)) {
2236 fprintf(stderr
, "Unknown display type: %s\n", p
);
2243 static int balloon_parse(const char *arg
)
2247 if (strcmp(arg
, "none") == 0) {
2251 if (!strncmp(arg
, "virtio", 6)) {
2252 if (arg
[6] == ',') {
2253 /* have params -> parse them */
2254 opts
= qemu_opts_parse(qemu_find_opts("device"), arg
+7, 0);
2258 /* create empty opts */
2259 opts
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
2262 qemu_opt_set(opts
, "driver", "virtio-balloon");
2269 char *qemu_find_file(int type
, const char *name
)
2275 /* Try the name as a straight path first */
2276 if (access(name
, R_OK
) == 0) {
2277 trace_load_file(name
, name
);
2278 return g_strdup(name
);
2282 case QEMU_FILE_TYPE_BIOS
:
2285 case QEMU_FILE_TYPE_KEYMAP
:
2286 subdir
= "keymaps/";
2292 for (i
= 0; i
< data_dir_idx
; i
++) {
2293 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2294 if (access(buf
, R_OK
) == 0) {
2295 trace_load_file(name
, buf
);
2303 static int device_help_func(QemuOpts
*opts
, void *opaque
)
2305 return qdev_device_help(opts
);
2308 static int device_init_func(QemuOpts
*opts
, void *opaque
)
2312 dev
= qdev_device_add(opts
);
2315 object_unref(OBJECT(dev
));
2319 static int chardev_init_func(QemuOpts
*opts
, void *opaque
)
2321 Error
*local_err
= NULL
;
2323 qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
2324 if (error_is_set(&local_err
)) {
2325 error_report("%s", error_get_pretty(local_err
));
2326 error_free(local_err
);
2332 #ifdef CONFIG_VIRTFS
2333 static int fsdev_init_func(QemuOpts
*opts
, void *opaque
)
2336 ret
= qemu_fsdev_add(opts
);
2342 static int mon_init_func(QemuOpts
*opts
, void *opaque
)
2344 CharDriverState
*chr
;
2345 const char *chardev
;
2349 mode
= qemu_opt_get(opts
, "mode");
2353 if (strcmp(mode
, "readline") == 0) {
2354 flags
= MONITOR_USE_READLINE
;
2355 } else if (strcmp(mode
, "control") == 0) {
2356 flags
= MONITOR_USE_CONTROL
;
2358 fprintf(stderr
, "unknown monitor mode \"%s\"\n", mode
);
2362 if (qemu_opt_get_bool(opts
, "pretty", 0))
2363 flags
|= MONITOR_USE_PRETTY
;
2365 if (qemu_opt_get_bool(opts
, "default", 0))
2366 flags
|= MONITOR_IS_DEFAULT
;
2368 chardev
= qemu_opt_get(opts
, "chardev");
2369 chr
= qemu_chr_find(chardev
);
2371 fprintf(stderr
, "chardev \"%s\" not found\n", chardev
);
2375 qemu_chr_fe_claim_no_fail(chr
);
2376 monitor_init(chr
, flags
);
2380 static void monitor_parse(const char *optarg
, const char *mode
)
2382 static int monitor_device_index
= 0;
2388 if (strstart(optarg
, "chardev:", &p
)) {
2389 snprintf(label
, sizeof(label
), "%s", p
);
2391 snprintf(label
, sizeof(label
), "compat_monitor%d",
2392 monitor_device_index
);
2393 if (monitor_device_index
== 0) {
2396 opts
= qemu_chr_parse_compat(label
, optarg
);
2398 fprintf(stderr
, "parse error: %s\n", optarg
);
2403 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, NULL
);
2405 fprintf(stderr
, "duplicate chardev: %s\n", label
);
2408 qemu_opt_set(opts
, "mode", mode
);
2409 qemu_opt_set(opts
, "chardev", label
);
2411 qemu_opt_set(opts
, "default", "on");
2412 monitor_device_index
++;
2415 struct device_config
{
2417 DEV_USB
, /* -usbdevice */
2419 DEV_SERIAL
, /* -serial */
2420 DEV_PARALLEL
, /* -parallel */
2421 DEV_VIRTCON
, /* -virtioconsole */
2422 DEV_DEBUGCON
, /* -debugcon */
2423 DEV_GDB
, /* -gdb, -s */
2424 DEV_SCLP
, /* s390 sclp */
2426 const char *cmdline
;
2428 QTAILQ_ENTRY(device_config
) next
;
2431 static QTAILQ_HEAD(, device_config
) device_configs
=
2432 QTAILQ_HEAD_INITIALIZER(device_configs
);
2434 static void add_device_config(int type
, const char *cmdline
)
2436 struct device_config
*conf
;
2438 conf
= g_malloc0(sizeof(*conf
));
2440 conf
->cmdline
= cmdline
;
2441 loc_save(&conf
->loc
);
2442 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2445 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2447 struct device_config
*conf
;
2450 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2451 if (conf
->type
!= type
)
2453 loc_push_restore(&conf
->loc
);
2454 rc
= func(conf
->cmdline
);
2455 loc_pop(&conf
->loc
);
2462 static int serial_parse(const char *devname
)
2464 static int index
= 0;
2467 if (strcmp(devname
, "none") == 0)
2469 if (index
== MAX_SERIAL_PORTS
) {
2470 fprintf(stderr
, "qemu: too many serial ports\n");
2473 snprintf(label
, sizeof(label
), "serial%d", index
);
2474 serial_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2475 if (!serial_hds
[index
]) {
2476 fprintf(stderr
, "qemu: could not connect serial device"
2477 " to character backend '%s'\n", devname
);
2484 static int parallel_parse(const char *devname
)
2486 static int index
= 0;
2489 if (strcmp(devname
, "none") == 0)
2491 if (index
== MAX_PARALLEL_PORTS
) {
2492 fprintf(stderr
, "qemu: too many parallel ports\n");
2495 snprintf(label
, sizeof(label
), "parallel%d", index
);
2496 parallel_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2497 if (!parallel_hds
[index
]) {
2498 fprintf(stderr
, "qemu: could not connect parallel device"
2499 " to character backend '%s'\n", devname
);
2506 static int virtcon_parse(const char *devname
)
2508 QemuOptsList
*device
= qemu_find_opts("device");
2509 static int index
= 0;
2511 QemuOpts
*bus_opts
, *dev_opts
;
2513 if (strcmp(devname
, "none") == 0)
2515 if (index
== MAX_VIRTIO_CONSOLES
) {
2516 fprintf(stderr
, "qemu: too many virtio consoles\n");
2520 bus_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2521 if (arch_type
== QEMU_ARCH_S390X
) {
2522 qemu_opt_set(bus_opts
, "driver", "virtio-serial-s390");
2524 qemu_opt_set(bus_opts
, "driver", "virtio-serial-pci");
2527 dev_opts
= qemu_opts_create(device
, NULL
, 0, &error_abort
);
2528 qemu_opt_set(dev_opts
, "driver", "virtconsole");
2530 snprintf(label
, sizeof(label
), "virtcon%d", index
);
2531 virtcon_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2532 if (!virtcon_hds
[index
]) {
2533 fprintf(stderr
, "qemu: could not connect virtio console"
2534 " to character backend '%s'\n", devname
);
2537 qemu_opt_set(dev_opts
, "chardev", label
);
2543 static int sclp_parse(const char *devname
)
2545 QemuOptsList
*device
= qemu_find_opts("device");
2546 static int index
= 0;
2550 if (strcmp(devname
, "none") == 0) {
2553 if (index
== MAX_SCLP_CONSOLES
) {
2554 fprintf(stderr
, "qemu: too many sclp consoles\n");
2558 assert(arch_type
== QEMU_ARCH_S390X
);
2560 dev_opts
= qemu_opts_create(device
, NULL
, 0, NULL
);
2561 qemu_opt_set(dev_opts
, "driver", "sclpconsole");
2563 snprintf(label
, sizeof(label
), "sclpcon%d", index
);
2564 sclp_hds
[index
] = qemu_chr_new(label
, devname
, NULL
);
2565 if (!sclp_hds
[index
]) {
2566 fprintf(stderr
, "qemu: could not connect sclp console"
2567 " to character backend '%s'\n", devname
);
2570 qemu_opt_set(dev_opts
, "chardev", label
);
2576 static int debugcon_parse(const char *devname
)
2580 if (!qemu_chr_new("debugcon", devname
, NULL
)) {
2583 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2585 fprintf(stderr
, "qemu: already have a debugcon device\n");
2588 qemu_opt_set(opts
, "driver", "isa-debugcon");
2589 qemu_opt_set(opts
, "chardev", "debugcon");
2593 static QEMUMachine
*machine_parse(const char *name
)
2595 QEMUMachine
*m
, *machine
= NULL
;
2598 machine
= find_machine(name
);
2603 printf("Supported machines are:\n");
2604 for (m
= first_machine
; m
!= NULL
; m
= m
->next
) {
2606 printf("%-20s %s (alias of %s)\n", m
->alias
, m
->desc
, m
->name
);
2608 printf("%-20s %s%s\n", m
->name
, m
->desc
,
2609 m
->is_default
? " (default)" : "");
2611 exit(!name
|| !is_help_option(name
));
2614 static int tcg_init(void)
2616 tcg_exec_init(tcg_tb_size
* 1024 * 1024);
2621 const char *opt_name
;
2623 int (*available
)(void);
2627 { "tcg", "tcg", tcg_available
, tcg_init
, &tcg_allowed
},
2628 { "xen", "Xen", xen_available
, xen_init
, &xen_allowed
},
2629 { "kvm", "KVM", kvm_available
, kvm_init
, &kvm_allowed
},
2630 { "qtest", "QTest", qtest_available
, qtest_init_accel
, &qtest_allowed
},
2633 static int configure_accelerator(void)
2638 bool accel_initialised
= false;
2639 bool init_failed
= false;
2641 p
= qemu_opt_get(qemu_get_machine_opts(), "accel");
2643 /* Use the default "accelerator", tcg */
2647 while (!accel_initialised
&& *p
!= '\0') {
2651 p
= get_opt_name(buf
, sizeof (buf
), p
, ':');
2652 for (i
= 0; i
< ARRAY_SIZE(accel_list
); i
++) {
2653 if (strcmp(accel_list
[i
].opt_name
, buf
) == 0) {
2654 if (!accel_list
[i
].available()) {
2655 printf("%s not supported for this target\n",
2656 accel_list
[i
].name
);
2659 *(accel_list
[i
].allowed
) = true;
2660 ret
= accel_list
[i
].init();
2663 fprintf(stderr
, "failed to initialize %s: %s\n",
2666 *(accel_list
[i
].allowed
) = false;
2668 accel_initialised
= true;
2673 if (i
== ARRAY_SIZE(accel_list
)) {
2674 fprintf(stderr
, "\"%s\" accelerator does not exist.\n", buf
);
2678 if (!accel_initialised
) {
2680 fprintf(stderr
, "No accelerator found!\n");
2686 fprintf(stderr
, "Back to %s accelerator.\n", accel_list
[i
].name
);
2689 return !accel_initialised
;
2692 void qemu_add_exit_notifier(Notifier
*notify
)
2694 notifier_list_add(&exit_notifiers
, notify
);
2697 void qemu_remove_exit_notifier(Notifier
*notify
)
2699 notifier_remove(notify
);
2702 static void qemu_run_exit_notifiers(void)
2704 notifier_list_notify(&exit_notifiers
, NULL
);
2707 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2709 notifier_list_add(&machine_init_done_notifiers
, notify
);
2712 static void qemu_run_machine_init_done_notifiers(void)
2714 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2717 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2718 const char **poptarg
, int *poptind
)
2720 const QEMUOption
*popt
;
2721 int optind
= *poptind
;
2722 char *r
= argv
[optind
];
2725 loc_set_cmdline(argv
, optind
, 1);
2727 /* Treat --foo the same as -foo. */
2730 popt
= qemu_options
;
2733 error_report("invalid option");
2736 if (!strcmp(popt
->name
, r
+ 1))
2740 if (popt
->flags
& HAS_ARG
) {
2741 if (optind
>= argc
) {
2742 error_report("requires an argument");
2745 optarg
= argv
[optind
++];
2746 loc_set_cmdline(argv
, optind
- 2, 2);
2757 static gpointer
malloc_and_trace(gsize n_bytes
)
2759 void *ptr
= malloc(n_bytes
);
2760 trace_g_malloc(n_bytes
, ptr
);
2764 static gpointer
realloc_and_trace(gpointer mem
, gsize n_bytes
)
2766 void *ptr
= realloc(mem
, n_bytes
);
2767 trace_g_realloc(mem
, n_bytes
, ptr
);
2771 static void free_and_trace(gpointer mem
)
2777 static int object_set_property(const char *name
, const char *value
, void *opaque
)
2779 Object
*obj
= OBJECT(opaque
);
2780 StringInputVisitor
*siv
;
2781 Error
*local_err
= NULL
;
2783 if (strcmp(name
, "qom-type") == 0 || strcmp(name
, "id") == 0) {
2787 siv
= string_input_visitor_new(value
);
2788 object_property_set(obj
, string_input_get_visitor(siv
), name
, &local_err
);
2789 string_input_visitor_cleanup(siv
);
2792 qerror_report_err(local_err
);
2793 error_free(local_err
);
2800 static int object_create(QemuOpts
*opts
, void *opaque
)
2802 const char *type
= qemu_opt_get(opts
, "qom-type");
2803 const char *id
= qemu_opts_id(opts
);
2804 Error
*local_err
= NULL
;
2807 g_assert(type
!= NULL
);
2810 qerror_report(QERR_MISSING_PARAMETER
, "id");
2814 obj
= object_new(type
);
2815 if (qemu_opt_foreach(opts
, object_set_property
, obj
, 1) < 0) {
2820 if (!object_dynamic_cast(obj
, TYPE_USER_CREATABLE
)) {
2821 error_setg(&local_err
, "object '%s' isn't supported by -object",
2826 user_creatable_complete(obj
, &local_err
);
2831 object_property_add_child(container_get(object_get_root(), "/objects"),
2832 id
, obj
, &local_err
);
2837 qerror_report_err(local_err
);
2838 error_free(local_err
);
2844 int main(int argc
, char **argv
, char **envp
)
2847 int snapshot
, linux_boot
;
2848 const char *icount_option
= NULL
;
2849 const char *initrd_filename
;
2850 const char *kernel_filename
, *kernel_cmdline
;
2851 const char *boot_order
;
2853 int cyls
, heads
, secs
, translation
;
2854 QemuOpts
*hda_opts
= NULL
, *opts
, *machine_opts
;
2855 QemuOptsList
*olist
;
2858 const char *loadvm
= NULL
;
2859 QEMUMachine
*machine
;
2860 const char *cpu_model
;
2861 const char *vga_model
= "none";
2862 const char *qtest_chrdev
= NULL
;
2863 const char *qtest_log
= NULL
;
2864 const char *pid_file
= NULL
;
2865 const char *incoming
= NULL
;
2867 int show_vnc_port
= 0;
2869 bool defconfig
= true;
2870 bool userconfig
= true;
2871 const char *log_mask
= NULL
;
2872 const char *log_file
= NULL
;
2873 GMemVTable mem_trace
= {
2874 .malloc
= malloc_and_trace
,
2875 .realloc
= realloc_and_trace
,
2876 .free
= free_and_trace
,
2878 const char *trace_events
= NULL
;
2879 const char *trace_file
= NULL
;
2881 atexit(qemu_run_exit_notifiers
);
2882 error_set_progname(argv
[0]);
2884 g_mem_set_vtable(&mem_trace
);
2885 if (!g_thread_supported()) {
2886 #if !GLIB_CHECK_VERSION(2, 31, 0)
2887 g_thread_init(NULL
);
2889 fprintf(stderr
, "glib threading failed to initialize.\n");
2894 module_call_init(MODULE_INIT_QOM
);
2896 qemu_add_opts(&qemu_drive_opts
);
2897 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2898 qemu_add_drive_opts(&qemu_common_drive_opts
);
2899 qemu_add_drive_opts(&qemu_drive_opts
);
2900 qemu_add_opts(&qemu_chardev_opts
);
2901 qemu_add_opts(&qemu_device_opts
);
2902 qemu_add_opts(&qemu_netdev_opts
);
2903 qemu_add_opts(&qemu_net_opts
);
2904 qemu_add_opts(&qemu_rtc_opts
);
2905 qemu_add_opts(&qemu_global_opts
);
2906 qemu_add_opts(&qemu_mon_opts
);
2907 qemu_add_opts(&qemu_trace_opts
);
2908 qemu_add_opts(&qemu_option_rom_opts
);
2909 qemu_add_opts(&qemu_machine_opts
);
2910 qemu_add_opts(&qemu_smp_opts
);
2911 qemu_add_opts(&qemu_boot_opts
);
2912 qemu_add_opts(&qemu_sandbox_opts
);
2913 qemu_add_opts(&qemu_add_fd_opts
);
2914 qemu_add_opts(&qemu_object_opts
);
2915 qemu_add_opts(&qemu_tpmdev_opts
);
2916 qemu_add_opts(&qemu_realtime_opts
);
2917 qemu_add_opts(&qemu_msg_opts
);
2922 rtc_clock
= QEMU_CLOCK_HOST
;
2924 qemu_init_auxval(envp
);
2925 qemu_cache_utils_init();
2927 QLIST_INIT (&vm_change_state_head
);
2928 os_setup_early_signal_handling();
2930 module_call_init(MODULE_INIT_MACHINE
);
2931 machine
= find_default_machine();
2935 cyls
= heads
= secs
= 0;
2936 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2938 for (i
= 0; i
< MAX_NODES
; i
++) {
2940 node_cpumask
[i
] = bitmap_new(MAX_CPUMASK_BITS
);
2946 bdrv_init_with_whitelist();
2950 /* first pass of option parsing */
2952 while (optind
< argc
) {
2953 if (argv
[optind
][0] != '-') {
2958 const QEMUOption
*popt
;
2960 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2961 switch (popt
->index
) {
2962 case QEMU_OPTION_nodefconfig
:
2965 case QEMU_OPTION_nouserconfig
:
2974 ret
= qemu_read_default_config_files(userconfig
);
2980 /* second pass of option parsing */
2985 if (argv
[optind
][0] != '-') {
2986 hda_opts
= drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2988 const QEMUOption
*popt
;
2990 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2991 if (!(popt
->arch_mask
& arch_type
)) {
2992 printf("Option %s not supported for this target\n", popt
->name
);
2995 switch(popt
->index
) {
2997 machine
= machine_parse(optarg
);
2999 case QEMU_OPTION_no_kvm_irqchip
: {
3000 olist
= qemu_find_opts("machine");
3001 qemu_opts_parse(olist
, "kernel_irqchip=off", 0);
3004 case QEMU_OPTION_cpu
:
3005 /* hw initialization will check this */
3008 case QEMU_OPTION_hda
:
3012 snprintf(buf
, sizeof(buf
), "%s", HD_OPTS
);
3014 snprintf(buf
, sizeof(buf
),
3015 "%s,cyls=%d,heads=%d,secs=%d%s",
3016 HD_OPTS
, cyls
, heads
, secs
,
3017 translation
== BIOS_ATA_TRANSLATION_LBA
?
3019 translation
== BIOS_ATA_TRANSLATION_NONE
?
3020 ",trans=none" : "");
3021 drive_add(IF_DEFAULT
, 0, optarg
, buf
);
3024 case QEMU_OPTION_hdb
:
3025 case QEMU_OPTION_hdc
:
3026 case QEMU_OPTION_hdd
:
3027 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
3030 case QEMU_OPTION_drive
:
3031 if (drive_def(optarg
) == NULL
) {
3035 case QEMU_OPTION_set
:
3036 if (qemu_set_option(optarg
) != 0)
3039 case QEMU_OPTION_global
:
3040 if (qemu_global_option(optarg
) != 0)
3043 case QEMU_OPTION_mtdblock
:
3044 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3046 case QEMU_OPTION_sd
:
3047 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3049 case QEMU_OPTION_pflash
:
3050 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3052 case QEMU_OPTION_snapshot
:
3055 case QEMU_OPTION_hdachs
:
3059 cyls
= strtol(p
, (char **)&p
, 0);
3060 if (cyls
< 1 || cyls
> 16383)
3065 heads
= strtol(p
, (char **)&p
, 0);
3066 if (heads
< 1 || heads
> 16)
3071 secs
= strtol(p
, (char **)&p
, 0);
3072 if (secs
< 1 || secs
> 63)
3076 if (!strcmp(p
, "none"))
3077 translation
= BIOS_ATA_TRANSLATION_NONE
;
3078 else if (!strcmp(p
, "lba"))
3079 translation
= BIOS_ATA_TRANSLATION_LBA
;
3080 else if (!strcmp(p
, "auto"))
3081 translation
= BIOS_ATA_TRANSLATION_AUTO
;
3084 } else if (*p
!= '\0') {
3086 fprintf(stderr
, "qemu: invalid physical CHS format\n");
3089 if (hda_opts
!= NULL
) {
3091 snprintf(num
, sizeof(num
), "%d", cyls
);
3092 qemu_opt_set(hda_opts
, "cyls", num
);
3093 snprintf(num
, sizeof(num
), "%d", heads
);
3094 qemu_opt_set(hda_opts
, "heads", num
);
3095 snprintf(num
, sizeof(num
), "%d", secs
);
3096 qemu_opt_set(hda_opts
, "secs", num
);
3097 if (translation
== BIOS_ATA_TRANSLATION_LBA
)
3098 qemu_opt_set(hda_opts
, "trans", "lba");
3099 if (translation
== BIOS_ATA_TRANSLATION_NONE
)
3100 qemu_opt_set(hda_opts
, "trans", "none");
3104 case QEMU_OPTION_numa
:
3107 case QEMU_OPTION_display
:
3108 display_type
= select_display(optarg
);
3110 case QEMU_OPTION_nographic
:
3111 display_type
= DT_NOGRAPHIC
;
3113 case QEMU_OPTION_curses
:
3114 #ifdef CONFIG_CURSES
3115 display_type
= DT_CURSES
;
3117 fprintf(stderr
, "Curses support is disabled\n");
3121 case QEMU_OPTION_portrait
:
3122 graphic_rotate
= 90;
3124 case QEMU_OPTION_rotate
:
3125 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3126 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3127 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3129 "qemu: only 90, 180, 270 deg rotation is available\n");
3133 case QEMU_OPTION_kernel
:
3134 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
);
3136 case QEMU_OPTION_initrd
:
3137 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
);
3139 case QEMU_OPTION_append
:
3140 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
);
3142 case QEMU_OPTION_dtb
:
3143 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
);
3145 case QEMU_OPTION_cdrom
:
3146 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3148 case QEMU_OPTION_boot
:
3149 opts
= qemu_opts_parse(qemu_find_opts("boot-opts"), optarg
, 1);
3154 case QEMU_OPTION_fda
:
3155 case QEMU_OPTION_fdb
:
3156 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3159 case QEMU_OPTION_no_fd_bootchk
:
3162 case QEMU_OPTION_netdev
:
3163 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3167 case QEMU_OPTION_net
:
3168 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3172 #ifdef CONFIG_LIBISCSI
3173 case QEMU_OPTION_iscsi
:
3174 opts
= qemu_opts_parse(qemu_find_opts("iscsi"), optarg
, 0);
3181 case QEMU_OPTION_tftp
:
3182 legacy_tftp_prefix
= optarg
;
3184 case QEMU_OPTION_bootp
:
3185 legacy_bootp_filename
= optarg
;
3187 case QEMU_OPTION_redir
:
3188 if (net_slirp_redir(optarg
) < 0)
3192 case QEMU_OPTION_bt
:
3193 add_device_config(DEV_BT
, optarg
);
3195 case QEMU_OPTION_audio_help
:
3199 case QEMU_OPTION_soundhw
:
3200 select_soundhw (optarg
);
3205 case QEMU_OPTION_version
:
3209 case QEMU_OPTION_m
: {
3214 value
= strtosz(optarg
, &end
);
3215 if (value
< 0 || *end
) {
3216 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
3219 sz
= QEMU_ALIGN_UP((uint64_t)value
, 8192);
3221 if (ram_size
!= sz
) {
3222 fprintf(stderr
, "qemu: ram size too large\n");
3228 case QEMU_OPTION_tpmdev
:
3229 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3234 case QEMU_OPTION_mempath
:
3237 case QEMU_OPTION_mem_prealloc
:
3247 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3249 case QEMU_OPTION_gdb
:
3250 add_device_config(DEV_GDB
, optarg
);
3253 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3254 data_dir
[data_dir_idx
++] = optarg
;
3257 case QEMU_OPTION_bios
:
3258 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
);
3260 case QEMU_OPTION_singlestep
:
3267 keyboard_layout
= optarg
;
3269 case QEMU_OPTION_localtime
:
3272 case QEMU_OPTION_vga
:
3281 w
= strtol(p
, (char **)&p
, 10);
3284 fprintf(stderr
, "qemu: invalid resolution or depth\n");
3290 h
= strtol(p
, (char **)&p
, 10);
3295 depth
= strtol(p
, (char **)&p
, 10);
3296 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3297 depth
!= 24 && depth
!= 32)
3299 } else if (*p
== '\0') {
3300 depth
= graphic_depth
;
3307 graphic_depth
= depth
;
3310 case QEMU_OPTION_echr
:
3313 term_escape_char
= strtol(optarg
, &r
, 0);
3315 printf("Bad argument to echr\n");
3318 case QEMU_OPTION_monitor
:
3319 default_monitor
= 0;
3320 if (strncmp(optarg
, "none", 4)) {
3321 monitor_parse(optarg
, "readline");
3324 case QEMU_OPTION_qmp
:
3325 monitor_parse(optarg
, "control");
3326 default_monitor
= 0;
3328 case QEMU_OPTION_mon
:
3329 opts
= qemu_opts_parse(qemu_find_opts("mon"), optarg
, 1);
3333 default_monitor
= 0;
3335 case QEMU_OPTION_chardev
:
3336 opts
= qemu_opts_parse(qemu_find_opts("chardev"), optarg
, 1);
3341 case QEMU_OPTION_fsdev
:
3342 olist
= qemu_find_opts("fsdev");
3344 fprintf(stderr
, "fsdev is not supported by this qemu build.\n");
3347 opts
= qemu_opts_parse(olist
, optarg
, 1);
3352 case QEMU_OPTION_virtfs
: {
3355 const char *writeout
, *sock_fd
, *socket
;
3357 olist
= qemu_find_opts("virtfs");
3359 fprintf(stderr
, "virtfs is not supported by this qemu build.\n");
3362 opts
= qemu_opts_parse(olist
, optarg
, 1);
3367 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3368 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3369 fprintf(stderr
, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3372 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3373 qemu_opt_get(opts
, "mount_tag"),
3376 fprintf(stderr
, "duplicate fsdev id: %s\n",
3377 qemu_opt_get(opts
, "mount_tag"));
3381 writeout
= qemu_opt_get(opts
, "writeout");
3383 #ifdef CONFIG_SYNC_FILE_RANGE
3384 qemu_opt_set(fsdev
, "writeout", writeout
);
3386 fprintf(stderr
, "writeout=immediate not supported on "
3391 qemu_opt_set(fsdev
, "fsdriver", qemu_opt_get(opts
, "fsdriver"));
3392 qemu_opt_set(fsdev
, "path", qemu_opt_get(opts
, "path"));
3393 qemu_opt_set(fsdev
, "security_model",
3394 qemu_opt_get(opts
, "security_model"));
3395 socket
= qemu_opt_get(opts
, "socket");
3397 qemu_opt_set(fsdev
, "socket", socket
);
3399 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3401 qemu_opt_set(fsdev
, "sock_fd", sock_fd
);
3404 qemu_opt_set_bool(fsdev
, "readonly",
3405 qemu_opt_get_bool(opts
, "readonly", 0));
3406 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3408 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3409 qemu_opt_set(device
, "fsdev",
3410 qemu_opt_get(opts
, "mount_tag"));
3411 qemu_opt_set(device
, "mount_tag",
3412 qemu_opt_get(opts
, "mount_tag"));
3415 case QEMU_OPTION_virtfs_synth
: {
3419 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3422 fprintf(stderr
, "duplicate option: %s\n", "virtfs_synth");
3425 qemu_opt_set(fsdev
, "fsdriver", "synth");
3427 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3429 qemu_opt_set(device
, "driver", "virtio-9p-pci");
3430 qemu_opt_set(device
, "fsdev", "v_synth");
3431 qemu_opt_set(device
, "mount_tag", "v_synth");
3434 case QEMU_OPTION_serial
:
3435 add_device_config(DEV_SERIAL
, optarg
);
3437 if (strncmp(optarg
, "mon:", 4) == 0) {
3438 default_monitor
= 0;
3441 case QEMU_OPTION_watchdog
:
3444 "qemu: only one watchdog option may be given\n");
3449 case QEMU_OPTION_watchdog_action
:
3450 if (select_watchdog_action(optarg
) == -1) {
3451 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
3455 case QEMU_OPTION_virtiocon
:
3456 add_device_config(DEV_VIRTCON
, optarg
);
3457 default_virtcon
= 0;
3458 if (strncmp(optarg
, "mon:", 4) == 0) {
3459 default_monitor
= 0;
3462 case QEMU_OPTION_parallel
:
3463 add_device_config(DEV_PARALLEL
, optarg
);
3464 default_parallel
= 0;
3465 if (strncmp(optarg
, "mon:", 4) == 0) {
3466 default_monitor
= 0;
3469 case QEMU_OPTION_debugcon
:
3470 add_device_config(DEV_DEBUGCON
, optarg
);
3472 case QEMU_OPTION_loadvm
:
3475 case QEMU_OPTION_full_screen
:
3478 case QEMU_OPTION_no_frame
:
3481 case QEMU_OPTION_alt_grab
:
3484 case QEMU_OPTION_ctrl_grab
:
3487 case QEMU_OPTION_no_quit
:
3490 case QEMU_OPTION_sdl
:
3492 display_type
= DT_SDL
;
3495 fprintf(stderr
, "SDL support is disabled\n");
3498 case QEMU_OPTION_pidfile
:
3501 case QEMU_OPTION_win2k_hack
:
3502 win2k_install_hack
= 1;
3504 case QEMU_OPTION_rtc_td_hack
: {
3505 static GlobalProperty slew_lost_ticks
[] = {
3507 .driver
= "mc146818rtc",
3508 .property
= "lost_tick_policy",
3511 { /* end of list */ }
3514 qdev_prop_register_global_list(slew_lost_ticks
);
3517 case QEMU_OPTION_acpitable
:
3518 opts
= qemu_opts_parse(qemu_find_opts("acpi"), optarg
, 1);
3522 do_acpitable_option(opts
);
3524 case QEMU_OPTION_smbios
:
3525 opts
= qemu_opts_parse(qemu_find_opts("smbios"), optarg
, 0);
3529 do_smbios_option(opts
);
3531 case QEMU_OPTION_enable_kvm
:
3532 olist
= qemu_find_opts("machine");
3533 qemu_opts_parse(olist
, "accel=kvm", 0);
3535 case QEMU_OPTION_machine
:
3536 olist
= qemu_find_opts("machine");
3537 opts
= qemu_opts_parse(olist
, optarg
, 1);
3541 optarg
= qemu_opt_get(opts
, "type");
3543 machine
= machine_parse(optarg
);
3546 case QEMU_OPTION_no_kvm
:
3547 olist
= qemu_find_opts("machine");
3548 qemu_opts_parse(olist
, "accel=tcg", 0);
3550 case QEMU_OPTION_no_kvm_pit
: {
3551 fprintf(stderr
, "Warning: KVM PIT can no longer be disabled "
3555 case QEMU_OPTION_no_kvm_pit_reinjection
: {
3556 static GlobalProperty kvm_pit_lost_tick_policy
[] = {
3558 .driver
= "kvm-pit",
3559 .property
= "lost_tick_policy",
3562 { /* end of list */ }
3565 fprintf(stderr
, "Warning: option deprecated, use "
3566 "lost_tick_policy property of kvm-pit instead.\n");
3567 qdev_prop_register_global_list(kvm_pit_lost_tick_policy
);
3570 case QEMU_OPTION_usb
:
3571 olist
= qemu_find_opts("machine");
3572 qemu_opts_parse(olist
, "usb=on", 0);
3574 case QEMU_OPTION_usbdevice
:
3575 olist
= qemu_find_opts("machine");
3576 qemu_opts_parse(olist
, "usb=on", 0);
3577 add_device_config(DEV_USB
, optarg
);
3579 case QEMU_OPTION_device
:
3580 if (!qemu_opts_parse(qemu_find_opts("device"), optarg
, 1)) {
3584 case QEMU_OPTION_smp
:
3585 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg
, 1)) {
3589 case QEMU_OPTION_vnc
:
3592 vnc_display
= optarg
;
3594 fprintf(stderr
, "VNC support is disabled\n");
3598 case QEMU_OPTION_no_acpi
:
3601 case QEMU_OPTION_no_hpet
:
3604 case QEMU_OPTION_balloon
:
3605 if (balloon_parse(optarg
) < 0) {
3606 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
3610 case QEMU_OPTION_no_reboot
:
3613 case QEMU_OPTION_no_shutdown
:
3616 case QEMU_OPTION_show_cursor
:
3619 case QEMU_OPTION_uuid
:
3620 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
3621 fprintf(stderr
, "Fail to parse UUID string."
3622 " Wrong format.\n");
3625 qemu_uuid_set
= true;
3627 case QEMU_OPTION_option_rom
:
3628 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3629 fprintf(stderr
, "Too many option ROMs\n");
3632 opts
= qemu_opts_parse(qemu_find_opts("option-rom"), optarg
, 1);
3636 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3637 option_rom
[nb_option_roms
].bootindex
=
3638 qemu_opt_get_number(opts
, "bootindex", -1);
3639 if (!option_rom
[nb_option_roms
].name
) {
3640 fprintf(stderr
, "Option ROM file is not specified\n");
3645 case QEMU_OPTION_semihosting
:
3646 semihosting_enabled
= 1;
3648 case QEMU_OPTION_tdf
:
3649 fprintf(stderr
, "Warning: user space PIT time drift fix "
3650 "is no longer supported.\n");
3652 case QEMU_OPTION_name
:
3653 qemu_name
= g_strdup(optarg
);
3655 char *p
= strchr(qemu_name
, ',');
3658 if (strncmp(p
, "process=", 8)) {
3659 fprintf(stderr
, "Unknown subargument %s to -name\n", p
);
3663 os_set_proc_name(p
);
3667 case QEMU_OPTION_prom_env
:
3668 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3669 fprintf(stderr
, "Too many prom variables\n");
3672 prom_envs
[nb_prom_envs
] = optarg
;
3675 case QEMU_OPTION_old_param
:
3678 case QEMU_OPTION_clock
:
3679 /* Clock options no longer exist. Keep this option for
3680 * backward compatibility.
3683 case QEMU_OPTION_startdate
:
3684 configure_rtc_date_offset(optarg
, 1);
3686 case QEMU_OPTION_rtc
:
3687 opts
= qemu_opts_parse(qemu_find_opts("rtc"), optarg
, 0);
3691 configure_rtc(opts
);
3693 case QEMU_OPTION_tb_size
:
3694 tcg_tb_size
= strtol(optarg
, NULL
, 0);
3695 if (tcg_tb_size
< 0) {
3699 case QEMU_OPTION_icount
:
3700 icount_option
= optarg
;
3702 case QEMU_OPTION_incoming
:
3704 runstate_set(RUN_STATE_INMIGRATE
);
3706 case QEMU_OPTION_nodefaults
:
3708 default_parallel
= 0;
3709 default_virtcon
= 0;
3711 default_monitor
= 0;
3718 case QEMU_OPTION_xen_domid
:
3719 if (!(xen_available())) {
3720 printf("Option %s not supported for this target\n", popt
->name
);
3723 xen_domid
= atoi(optarg
);
3725 case QEMU_OPTION_xen_create
:
3726 if (!(xen_available())) {
3727 printf("Option %s not supported for this target\n", popt
->name
);
3730 xen_mode
= XEN_CREATE
;
3732 case QEMU_OPTION_xen_attach
:
3733 if (!(xen_available())) {
3734 printf("Option %s not supported for this target\n", popt
->name
);
3737 xen_mode
= XEN_ATTACH
;
3739 case QEMU_OPTION_trace
:
3741 opts
= qemu_opts_parse(qemu_find_opts("trace"), optarg
, 0);
3745 trace_events
= qemu_opt_get(opts
, "events");
3746 trace_file
= qemu_opt_get(opts
, "file");
3749 case QEMU_OPTION_readconfig
:
3751 int ret
= qemu_read_config_file(optarg
);
3753 fprintf(stderr
, "read config %s: %s\n", optarg
,
3759 case QEMU_OPTION_spice
:
3760 olist
= qemu_find_opts("spice");
3762 fprintf(stderr
, "spice is not supported by this qemu build.\n");
3765 opts
= qemu_opts_parse(olist
, optarg
, 0);
3771 case QEMU_OPTION_writeconfig
:
3774 if (strcmp(optarg
, "-") == 0) {
3777 fp
= fopen(optarg
, "w");
3779 fprintf(stderr
, "open %s: %s\n", optarg
, strerror(errno
));
3783 qemu_config_write(fp
);
3787 case QEMU_OPTION_qtest
:
3788 qtest_chrdev
= optarg
;
3790 case QEMU_OPTION_qtest_log
:
3793 case QEMU_OPTION_sandbox
:
3794 opts
= qemu_opts_parse(qemu_find_opts("sandbox"), optarg
, 1);
3799 case QEMU_OPTION_add_fd
:
3801 opts
= qemu_opts_parse(qemu_find_opts("add-fd"), optarg
, 0);
3806 error_report("File descriptor passing is disabled on this "
3811 case QEMU_OPTION_object
:
3812 opts
= qemu_opts_parse(qemu_find_opts("object"), optarg
, 1);
3817 case QEMU_OPTION_realtime
:
3818 opts
= qemu_opts_parse(qemu_find_opts("realtime"), optarg
, 0);
3822 configure_realtime(opts
);
3824 case QEMU_OPTION_msg
:
3825 opts
= qemu_opts_parse(qemu_find_opts("msg"), optarg
, 0);
3829 configure_msg(opts
);
3832 os_parse_cmd_args(popt
->index
, optarg
);
3838 if (qemu_init_main_loop()) {
3839 fprintf(stderr
, "qemu_init_main_loop failed\n");
3843 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox
, NULL
, 0)) {
3848 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd
, NULL
, 1)) {
3852 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd
, NULL
, 1)) {
3857 if (machine
== NULL
) {
3858 fprintf(stderr
, "No machine found.\n");
3862 if (machine
->hw_version
) {
3863 qemu_set_version(machine
->hw_version
);
3866 if (qemu_opts_foreach(qemu_find_opts("object"),
3867 object_create
, NULL
, 0) != 0) {
3871 /* Init CPU def lists, based on config
3872 * - Must be called after all the qemu_read_config_file() calls
3873 * - Must be called before list_cpus()
3874 * - Must be called before machine->init()
3878 if (cpu_model
&& is_help_option(cpu_model
)) {
3879 list_cpus(stdout
, &fprintf
, cpu_model
);
3883 /* Open the logfile at this point, if necessary. We can't open the logfile
3884 * when encountering either of the logging options (-d or -D) because the
3885 * other one may be encountered later on the command line, changing the
3886 * location or level of logging.
3891 qemu_set_log_filename(log_file
);
3894 mask
= qemu_str_to_log_mask(log_mask
);
3896 qemu_print_log_usage(stdout
);
3902 if (!is_daemonized()) {
3903 if (!trace_backend_init(trace_events
, trace_file
)) {
3908 /* If no data_dir is specified then try to find it relative to the
3910 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3911 data_dir
[data_dir_idx
] = os_find_datadir(argv
[0]);
3912 if (data_dir
[data_dir_idx
] != NULL
) {
3916 /* If all else fails use the install path specified when building. */
3917 if (data_dir_idx
< ARRAY_SIZE(data_dir
)) {
3918 data_dir
[data_dir_idx
++] = CONFIG_QEMU_DATADIR
;
3921 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3923 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
3924 if (smp_cpus
> machine
->max_cpus
) {
3925 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
3926 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
3932 * Get the default machine options from the machine if it is not already
3933 * specified either by the configuration file or by the command line.
3935 if (machine
->default_machine_opts
) {
3936 qemu_opts_set_defaults(qemu_find_opts("machine"),
3937 machine
->default_machine_opts
, 0);
3940 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check
, NULL
, 0);
3941 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check
, NULL
, 0);
3943 if (machine
->no_serial
) {
3946 if (machine
->no_parallel
) {
3947 default_parallel
= 0;
3949 if (!machine
->use_virtcon
) {
3950 default_virtcon
= 0;
3952 if (!machine
->use_sclp
) {
3955 if (machine
->no_floppy
) {
3958 if (machine
->no_cdrom
) {
3961 if (machine
->no_sdcard
) {
3965 if (is_daemonized()) {
3966 /* According to documentation and historically, -nographic redirects
3967 * serial port, parallel port and monitor to stdio, which does not work
3968 * with -daemonize. We can redirect these to null instead, but since
3969 * -nographic is legacy, let's just error out.
3970 * We disallow -nographic only if all other ports are not redirected
3971 * explicitly, to not break existing legacy setups which uses
3972 * -nographic _and_ redirects all ports explicitly - this is valid
3973 * usage, -nographic is just a no-op in this case.
3975 if (display_type
== DT_NOGRAPHIC
3976 && (default_parallel
|| default_serial
3977 || default_monitor
|| default_virtcon
)) {
3978 fprintf(stderr
, "-nographic can not be used with -daemonize\n");
3981 #ifdef CONFIG_CURSES
3982 if (display_type
== DT_CURSES
) {
3983 fprintf(stderr
, "curses display can not be used with -daemonize\n");
3989 if (display_type
== DT_NOGRAPHIC
) {
3990 if (default_parallel
)
3991 add_device_config(DEV_PARALLEL
, "null");
3992 if (default_serial
&& default_monitor
) {
3993 add_device_config(DEV_SERIAL
, "mon:stdio");
3994 } else if (default_virtcon
&& default_monitor
) {
3995 add_device_config(DEV_VIRTCON
, "mon:stdio");
3996 } else if (default_sclp
&& default_monitor
) {
3997 add_device_config(DEV_SCLP
, "mon:stdio");
4000 add_device_config(DEV_SERIAL
, "stdio");
4001 if (default_virtcon
)
4002 add_device_config(DEV_VIRTCON
, "stdio");
4004 add_device_config(DEV_SCLP
, "stdio");
4006 if (default_monitor
)
4007 monitor_parse("stdio", "readline");
4011 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4012 if (default_parallel
)
4013 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4014 if (default_monitor
)
4015 monitor_parse("vc:80Cx24C", "readline");
4016 if (default_virtcon
)
4017 add_device_config(DEV_VIRTCON
, "vc:80Cx24C");
4019 add_device_config(DEV_SCLP
, "vc:80Cx24C");
4023 if (display_type
== DT_DEFAULT
&& !display_remote
) {
4024 #if defined(CONFIG_GTK)
4025 display_type
= DT_GTK
;
4026 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4027 display_type
= DT_SDL
;
4028 #elif defined(CONFIG_VNC)
4029 vnc_display
= "localhost:0,to=99";
4032 display_type
= DT_NONE
;
4036 if ((no_frame
|| alt_grab
|| ctrl_grab
) && display_type
!= DT_SDL
) {
4037 fprintf(stderr
, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4038 "for SDL, ignoring option\n");
4040 if (no_quit
&& (display_type
!= DT_GTK
&& display_type
!= DT_SDL
)) {
4041 fprintf(stderr
, "-no-quit is only valid for GTK and SDL, "
4042 "ignoring option\n");
4045 #if defined(CONFIG_GTK)
4046 if (display_type
== DT_GTK
) {
4047 early_gtk_display_init();
4053 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func
, NULL
, 1) != 0)
4055 #ifdef CONFIG_VIRTFS
4056 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func
, NULL
, 1) != 0) {
4063 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
4068 /* init the memory */
4069 if (ram_size
== 0) {
4070 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
4073 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func
, NULL
, 0)
4078 configure_accelerator();
4081 qtest_init(qtest_chrdev
, qtest_log
);
4084 machine_opts
= qemu_get_machine_opts();
4085 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4086 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4087 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4088 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4090 boot_order
= machine
->default_boot_order
;
4091 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4093 char *normal_boot_order
;
4094 const char *order
, *once
;
4096 order
= qemu_opt_get(opts
, "order");
4098 validate_bootdevices(order
);
4102 once
= qemu_opt_get(opts
, "once");
4104 validate_bootdevices(once
);
4105 normal_boot_order
= g_strdup(boot_order
);
4107 qemu_register_reset(restore_boot_order
, normal_boot_order
);
4110 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4111 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4114 if (!kernel_cmdline
) {
4115 kernel_cmdline
= "";
4118 linux_boot
= (kernel_filename
!= NULL
);
4120 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4121 fprintf(stderr
, "-append only allowed with -kernel option\n");
4125 if (!linux_boot
&& initrd_filename
!= NULL
) {
4126 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
4130 if (!linux_boot
&& qemu_opt_get(machine_opts
, "dtb")) {
4131 fprintf(stderr
, "-dtb only allowed with -kernel option\n");
4135 os_set_line_buffering();
4137 qemu_init_cpu_loop();
4138 qemu_mutex_lock_iothread();
4141 /* spice needs the timers to be initialized by this point */
4145 if (icount_option
&& (kvm_enabled() || xen_enabled())) {
4146 fprintf(stderr
, "-icount is not allowed with kvm or xen\n");
4149 configure_icount(icount_option
);
4151 /* clean up network at qemu process termination */
4152 atexit(&net_cleanup
);
4154 if (net_init_clients() < 0) {
4159 if (tpm_init() < 0) {
4164 /* init the bluetooth world */
4165 if (foreach_device_config(DEV_BT
, bt_parse
))
4168 if (!xen_enabled()) {
4169 /* On 32-bit hosts, QEMU is limited by virtual address space */
4170 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4171 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4176 cpu_exec_init_all();
4180 /* open the virtual block devices */
4182 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
, NULL
, 0);
4183 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
4184 &machine
->block_default_type
, 1) != 0) {
4188 default_drive(default_cdrom
, snapshot
, machine
->block_default_type
, 2,
4190 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
4191 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
4193 register_savevm_live(NULL
, "ram", 0, 4, &savevm_ram_handlers
, NULL
);
4195 if (nb_numa_nodes
> 0) {
4198 if (nb_numa_nodes
> MAX_NODES
) {
4199 nb_numa_nodes
= MAX_NODES
;
4202 /* If no memory size if given for any node, assume the default case
4203 * and distribute the available memory equally across all nodes
4205 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4206 if (node_mem
[i
] != 0)
4209 if (i
== nb_numa_nodes
) {
4210 uint64_t usedmem
= 0;
4212 /* On Linux, the each node's border has to be 8MB aligned,
4213 * the final node gets the rest.
4215 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
4216 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
4217 usedmem
+= node_mem
[i
];
4219 node_mem
[i
] = ram_size
- usedmem
;
4222 for (i
= 0; i
< nb_numa_nodes
; i
++) {
4223 if (!bitmap_empty(node_cpumask
[i
], MAX_CPUMASK_BITS
)) {
4227 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4228 * must cope with this anyway, because there are BIOSes out there in
4229 * real machines which also use this scheme.
4231 if (i
== nb_numa_nodes
) {
4232 for (i
= 0; i
< max_cpus
; i
++) {
4233 set_bit(i
, node_cpumask
[i
% nb_numa_nodes
]);
4238 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func
, NULL
, 1) != 0) {
4242 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4244 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4246 if (foreach_device_config(DEV_VIRTCON
, virtcon_parse
) < 0)
4248 if (foreach_device_config(DEV_SCLP
, sclp_parse
) < 0) {
4251 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4254 /* If no default VGA is requested, the default is "none". */
4256 if (cirrus_vga_available()) {
4257 vga_model
= "cirrus";
4258 } else if (vga_available()) {
4262 select_vgahw(vga_model
);
4265 i
= select_watchdog(watchdog
);
4267 exit (i
== 1 ? 1 : 0);
4270 if (machine
->compat_props
) {
4271 qdev_prop_register_global_list(machine
->compat_props
);
4275 qdev_machine_init();
4277 QEMUMachineInitArgs args
= { .machine
= machine
,
4278 .ram_size
= ram_size
,
4279 .boot_order
= boot_order
,
4280 .kernel_filename
= kernel_filename
,
4281 .kernel_cmdline
= kernel_cmdline
,
4282 .initrd_filename
= initrd_filename
,
4283 .cpu_model
= cpu_model
};
4284 machine
->init(&args
);
4288 cpu_synchronize_all_post_init();
4292 current_machine
= machine
;
4294 /* init USB devices */
4295 if (usb_enabled(false)) {
4296 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4300 /* init generic devices */
4301 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func
, NULL
, 1) != 0)
4304 net_check_clients();
4306 ds
= init_displaystate();
4308 /* init local displays */
4309 switch (display_type
) {
4311 (void)ds
; /* avoid warning if no display is configured */
4313 #if defined(CONFIG_CURSES)
4315 curses_display_init(ds
, full_screen
);
4318 #if defined(CONFIG_SDL)
4320 sdl_display_init(ds
, full_screen
, no_frame
);
4322 #elif defined(CONFIG_COCOA)
4324 cocoa_display_init(ds
, full_screen
);
4327 #if defined(CONFIG_GTK)
4329 gtk_display_init(ds
, full_screen
);
4336 /* must be after terminal init, SDL library changes signal handlers */
4337 os_setup_signal_handling();
4340 /* init remote displays */
4342 Error
*local_err
= NULL
;
4343 vnc_display_init(ds
);
4344 vnc_display_open(ds
, vnc_display
, &local_err
);
4345 if (local_err
!= NULL
) {
4346 error_report("Failed to start VNC server on `%s': %s",
4347 vnc_display
, error_get_pretty(local_err
));
4348 error_free(local_err
);
4352 if (show_vnc_port
) {
4353 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
4359 qemu_spice_display_init();
4363 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4367 qdev_machine_creation_done();
4369 if (rom_load_all() != 0) {
4370 fprintf(stderr
, "rom loading failed\n");
4374 /* TODO: once all bus devices are qdevified, this should be done
4375 * when bus is created by qdev.c */
4376 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4377 qemu_run_machine_init_done_notifiers();
4379 /* Done notifiers can load ROMs */
4382 qemu_system_reset(VMRESET_SILENT
);
4384 if (load_vmstate(loadvm
) < 0) {
4390 Error
*local_err
= NULL
;
4391 qemu_start_incoming_migration(incoming
, &local_err
);
4393 error_report("-incoming %s: %s", incoming
,
4394 error_get_pretty(local_err
));
4395 error_free(local_err
);
4398 } else if (autostart
) {
4404 if (is_daemonized()) {
4405 if (!trace_backend_init(trace_events
, trace_file
)) {